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Indoleamine 2,3-Dioxygenase (IDO) Inhibitor in Healthy Volunteers

Phase 1
Conditions
Advanced Solid Tumors
Interventions
Drug: Placebo
Registration Number
NCT03641794
Lead Sponsor
Jiangxi Qingfeng Pharmaceutical Co. Ltd.
Brief Summary

This is a double blind Phase I study to evaluate the safety, tolerability, and pharmacokinetics of escalating oral doses of DN1406131, an investigational agent intended to inhibit the indoleamine 2,3-dioxygenase 1 (IDO1) enzyme and tryptophan 2,3-Dioxygenase 2 (TDO-2) and help the human immune system attack solid tumor cells more effectively.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
56
Inclusion Criteria
  • Age greater of 18 years and less than 45
  • Weight ≥50 kg,body mass index of 19~26 kg/m2
  • Signed ICF
Exclusion Criteria
  • active autoimmune disease
  • uncontrolled concurrent illness
  • Smoking
  • Drugs
  • positive serology for HIV, Hepatitis B or C,Syphilis
  • Pregnancy or breastfeeding

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlacebo25 mg,50 mg,100 mg,200 mg,400 mg,600 mg,800 mg
DN1406131DN140613125 mg,50 mg,100 mg,200 mg,400 mg,600 mg,800 mg
Primary Outcome Measures
NameTimeMethod
adverse events - type, incidence, severity28 day

Evaluate the safety and toxicity of DN1406131 in healthy volunteers

Maximum Tolerated Dose14 day

To define the Maximum Tolerated Dose (MTD)

Secondary Outcome Measures
NameTimeMethod
Peak Plasma Concentration (Cmax)48 hours

Cmax

Serum for biomarkers of IDO activity (kynurenine and tryptophan)48 hours

Evaluation of serum for biomarkers of IDO activity (kynurenine and tryptophan), before and after initiation of therapy.

Pharmacodynamics(PD)

Elimination half-life48 hours

T1/2

peak time48 hours

Tmax

Trial Locations

Locations (1)

PKUCare Luzhong Hospital

🇨🇳

Zibo, Shandong, China

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